What to Watch on Sunday: A ‘Madame Secretary’ cliffhanger

Elizabeth and President Dalton head to Switzerland to meet with Maria Ostrov in an attempt to find a peaceful solution to the escalated conflict with Russia. Best Possible Screen GrabCBS

Elizabeth and President Dalton head to Switzerland to meet with Maria Ostrov in an attempt to find a peaceful solution to the escalated conflict with Russia. Best Possible Screen GrabCBS

Madame Secretary (8 p.m., CBS) – After uncovering a secret that could ruin Maria Ostrov’s (Angela Gots) reputation, Elizabeth and President Dalton head to Switzerland to meet with her in an attempt to find a peaceful solution to the escalated conflict with Russia. Also, Dmitri requests to be released from his duties as a spy, on this cliffhanger winter finale episode.

Behind the Magic: Snow White (8 p.m., ABC) – Ginnifer Goodwin narrates the making of the 1934 film “Snow White and the Seven Dwarfs.”

Brooklyn Nine-Nine (8:30 p.m., Fox) – Terry must leave his family on Christmas Eve to save Jake, Charles and Gina from a “Die Hard” situation.

Blood & Oil (9 p.m., ABC) – In what is most likely the series finale, Billy must choose between saving his marriage or staying in the oil game. Also, Hap and Wick’s relationship is pushed to the limits on Christmas Eve.

Read Next

ABC’s 20/20 tells the story of Jason Dalton, the Uber driver who shot and killed six people and wounded two others during a murder spree in 2016 in Kalamazoo, Michigan. PBS has a documentary on country singer Charley Pride.